31685656016

Names of 31685656016

• Cardinal: 31685656016 can be written as Thirty-one billion, six hundred eighty-five million, six hundred fifty-six thousand and sixteen.

Scientific notation

• Scientific notation: 3.1685656016 × 10¹⁰

Factors of 31685656016

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 9646

Divisors of 31685656016

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 7 8 14 16 28 31 56 62 112 124 217 248 434 496 868 1069 1736 2138 3472 4276 7483 8537 8552 14966 17074 17104 29932 33139 34148 59759 59864 66278 68296 119518 119728 132556 136592 231973 239036 264647 265112 463946 478072 529294 530224 927892 956144 1058588 1852529 1855784 2117176 3705058 3711568 4234352 7410116 9126053 14820232 18252106 29640464 36504212 63882371 73008424 127764742 146016848 255529484 282907643 511058968 565815286 1022117936 1131630572 1980353501 2263261144 3960707002 4526522288 7921414004 15842828008 31685656016
• Sum of all divisors σ(n): 72500597760
• Sum of proper divisors (its aliquot sum) s(n): 40814941744
• 31685656016 is an abundant number, because the sum of its proper divisors (40814941744) is greater than itself. Its abundance is 9129285728

Bases of 31685656016

• Binary: 11101100000100111001011110111010000₂
• Hexadecimal: 0x7609CBDD0
• Base-36: EK0TKNK

Squares and roots of 31685656016

• 31685656016 squared (31685656016²) is 1003980797164276992256
• 31685656016 cubed (31685656016³) is 31811790185616749019966711812096
• The square root of 31685656016 is 178004.6516695559
• The cube root of 31685656016 is 3164.3722529473

Scales and comparisons

• 31,685,656,016 seconds is equal to 1,007 years, 26 weeks, 2 days, 3 hours, 6 minutes, 56 seconds.
• To count from 1 to 31,685,656,016 would take you about two thousand and fifteen years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 31685656016 cubic inches would be around 263.7 feet tall.

Recreational maths with 31685656016

• 31685656016 backwards is 61065658613
• The number of decimal digits it has is: 11
• The sum of 31685656016's digits is 47
• More coming soon!